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Chapter 23: Q3P (page 828)

How does 2-azahypoxanthine, a fungal product that stimulates plant growth, differ from guanine?

Short Answer

Expert verified

Nitrogen is a part of the ring structure of 2-azahypoxanthine in the place of a second carbon of the guanine.

Step by step solution

01

Guanine

One of the four major nucleobases found in the nucleic acids DNA and RNA, together with adenine, cytosine, and thymine, is guanine (symbol G or Gua) (uracil in RNA). Guanine and cytosine are paired together in DNA. Guanosine is the name of the guanine nucleoside.

02

Difference in the structure of 2-Azahypoxanthine and guanine

2-azahypoxanthine has nitrogen in its ring structure in place of the second carbon of guanine.

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Most popular questions from this chapter

6-Mercaptopurine (Box 23-2), after its conversion to the corresponding nucleotide through salvage reactions, is a potent competitive inhibitor of IMP in the pathways for AMP and GMP biosynthesis. It is therefore a clinically useful anticancer agent. The chemotherapeutic effectiveness of 6-mercaptopurine is enhanced when it is administered with allopurinol. Explain the mechanism of this enhancement.

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